Suchergebnisse - Ayensu, Edward S. 1935-

A revision of American Velloziaceae

Leaf anatomy and systematics of New World Velloziaceae

Ashanti Gold: the African legacy of the world's most precious metal

Medicinal plants of West Africa

Leaf anatomy of Palumbina and Odontoglossum subgenus Osmoglossum

Phytogeography and evolution of the Velloziaceae

Comparative anatomy of Dioscorea rotundata and Dioscorea cayenensis

Desertification in Africa: the lessons it provides for arid and semi-arid regions ; paper presented at the Univ. of Texas Centennial Symposium on "Plants our Renewable Resources" February 14 - 15, 1983 at Austin, Texas

Studies on pollen morphology in the Velloziaceae

Systematic anatomy and ontogeny of the stem in passifloraceae

Tropical forest ecosystems in Africa and South America: a comparative review ; (a symposium planned by the Assocition for Tropical Biology to be held in Ghana, West Africa, during February of 1971, City of Washington)

Der Dschungel: die letzten tropischen Urwälder der Erde

The magnificent foragers